Head covering



FIG. 1 is a front elevational view of a head covering showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof, the opposite side is a mirror image thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken line showing of the human form in FIG. 1 through 4 and the square crown member in FIGS. 1,3, and 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a head covering, as shown and described. 